99247666 has 16 divisors (see below), whose sum is σ = 180147456. Its totient is φ = 40032576.

The previous prime is 99247651. The next prime is 99247669. The reversal of 99247666 is 66674299.

It is not an unprimeable number, because it can be changed into a prime (99247669) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 208266 + ... + 208741.

It is an arithmetic number, because the mean of its divisors is an integer number (11259216).

Almost surely, 2^99247666 is an apocalyptic number.

99247666 is a deficient number, since it is larger than the sum of its proper divisors (80899790).

99247666 is a wasteful number, since it uses less digits than its factorization.

99247666 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 417033.

The product of its digits is 979776, while the sum is 49.

The square root of 99247666 is about 9962.3122817948. The cubic root of 99247666 is about 462.9919436577.

The spelling of 99247666 in words is "ninety-nine million, two hundred forty-seven thousand, six hundred sixty-six".